Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX 7:00 PM

Smith County, Texas, United States

Last updated: 11:42 AM CDT  ·  Refresh
33°C
Feels like 36°
Clear
▲ 39°  /  ▼ 24°
Wind
4 mph S
Humidity
49%
Dew Point
23°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
2%
Sunrise
6:59 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2277 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 7:37PM.

Alerts

Heat Advisory
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Expires 7:00 PM
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
12 PM
35°
3%
1 PM
37°
5%
2 PM
38°
16%
3 PM
38°
21%
4 PM
37°
32%
5 PM
37°
20%
6 PM
36°
21%
7 PM
34°
16%
8 PM
33°
19%
9 PM
31°
20%
10 PM
30°
21%
11 PM
29°
21%
12 AM
29°
21%
1 AM
28°
21%
2 AM
28°
22%
3 AM
27°
22%
4 AM
27°
13%
5 AM
24°
9%
6 AM
24°
5%
7 AM
25°
5%
8 AM
27°
5%
9 AM
31°
5%
10 AM
32°
3%
7-Day Forecast
Today
39° 24°
Mostly Clear with a 21% chance of rain.
Tue
40° 24°
Mostly Clear with a 22% chance of rain.
Wed
38° 21°
Partly Cloudy with a 42% chance of rain.
Thu
35° 22°
Partly Cloudy with a 21% chance of rain.
Fri
36° 21°
Rain, 30% chance.
Sat
37° 21°
Rain, 20% chance.
Sun
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 4 mph S 49%
12 PM 35° Clear 3% 5 mph SSE 43%
1 PM 37° Clear 5% 6 mph SSE 40%
2 PM 38° Mostly Clear 16% 6 mph SSE 38%
3 PM 38° Mostly Clear 21% 7 mph SSE 39%
4 PM 37° Mostly Clear 32% 7 mph SSE 41%
5 PM 37° Mostly Clear 20% 6 mph SSE 44%
6 PM 36° Mostly Clear 21% 6 mph SSE 48%
7 PM 34° Mostly Clear 16% 6 mph SSE 52%
8 PM 33° Partly Cloudy 19% 5 mph SSE 57%
9 PM 31° Partly Cloudy 20% 4 mph SSE 61%
10 PM 30° Partly Cloudy 21% 4 mph S 64%
11 PM 29° Mostly Clear 21% 4 mph S 67%
12 AM 29° Clear 21% 4 mph S 69%
1 AM 28° Clear 21% 4 mph S 71%
2 AM 28° Clear 22% 4 mph SSW 73%
3 AM 27° Clear 22% 3 mph SSW 75%
4 AM 27° Clear 13% 3 mph SSW 77%
5 AM 24° Clear 9% 3 mph SSW 79%
6 AM 24° Clear 5% 4 mph S 81%
7 AM 25° Clear 5% 3 mph SSW 77%
8 AM 27° Clear 5% 3 mph SSW 70%
9 AM 31° Clear 5% 3 mph SSW 64%
10 AM 32° Clear 3% 3 mph S 58%
15-Day Forecast
Today
9/7
Mostly Clear
21%
24°
39°
Tue
9/8
Mostly Clear
22%
24°
40°
Wed
9/9
Partly Cloudy
42%
21°
38°
Thu
9/10
Partly Cloudy
21%
22°
35°
Fri
9/11
Rain
30%
21°
36°
Sat
9/12
Rain
20%
21°
37°
Sun
9/13
Clear
17%
21°
37°
Mon
9/14
Clear
18%
21°
36°
Tue
9/15
Rain
42%
22°
36°
Wed
9/16
Drizzle
51%
17°
34°
Thu
9/17
Drizzle
60%
19°
34°
Fri
9/18
Clear
60%
21°
33°
Sat
9/19
Drizzle
60%
21°
33°
Sun
9/20
Drizzle
60%
21°
33°
Mon
9/21
Drizzle
60%
20°
32°
43
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
41 AQI 7.3 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 43 Good 43 41
Wed 48 Good 35 48
Thu 48 Good 40 48
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Sep 7, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2348 J/kg
MLCAPE2281 J/kg
MUCAPE4189 J/kg
SBCIN-101 J/kg
MLCIN-36 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear5 kt
0–1 km Shear4 kt
Eff. Shear12 kt
0–1 km SRH0
0–3 km SRH18
Eff. SRH18
Storm Motion142° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.5
Thermo & Levels
PWAT2.09 in
0–3 km LR7.2 °C/km
700–500 LR5.5 °C/km
Total Totals47.3
LCL862 hPa
LFC787 hPa
EL154 hPa
Freezing Lvl16,234 ft